52142453 has 4 divisors (see below), whose sum is σ = 56882688. Its totient is φ = 47402220.

The previous prime is 52142413. The next prime is 52142459. The reversal of 52142453 is 35424125.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52142453 - 2⁸ = 52142197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370101 + ... + 2370122.

It is an arithmetic number, because the mean of its divisors is an integer number (14220672).

Almost surely, 2^52142453 is an apocalyptic number.

It is an amenable number.

52142453 is a deficient number, since it is larger than the sum of its proper divisors (4740235).

52142453 is a wasteful number, since it uses less digits than its factorization.

52142453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740234.

The product of its digits is 4800, while the sum is 26.

The square root of 52142453 is about 7220.9731338650. The cubic root of 52142453 is about 373.5916429993.

Adding to 52142453 its reverse (35424125), we get a palindrome (87566578).

It can be divided in two parts, 5214 and 2453, that added together give a palindrome (7667).

The spelling of 52142453 in words is "fifty-two million, one hundred forty-two thousand, four hundred fifty-three".